Simplify the algebraic expression by collecting and combining like terms.10(10y2 + 9) - (4y2 - 6)
A. 96y2 + 96
B. -96y2 + 84
C. 104y2 + 15
D. 104y2 + 3
Answer: A
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Solve the polynomial equation in the complex numbers.x3 + 2x2 - 6x + 8 = 0
A. {-4, 4} B. {1 + i, 1 - i, 4i} C. {1 + i, 1 - i, 4} D. {1 + i, 1 - i, -4}
As part of a patient monitoring system in a local hospital, the computer (a) constantly monitors the patient's pulse and respiration rate; (b) sounds an alarm if the rates fall outside a preset range; and (c) notifies the nearest nursing station if either or both of its systems fail to function properly. The computer's capabilities are suited to these tasks because the tasks call for: ?
A. repetition B. tutorial C. program modification D. simulation E. all of these choices
Find the area of the shaded region.
?
, 
?
A. 54 in.2 B. 12 in.2 C. 13.5 in.2 D. 27 in.2 E. 24 in.2
Find the product.(-3x + 7)(-4x - 12)
A. 12x2 + 8x - 84 B. 12x2 + 8x + 8 C. -7x2 + 8x - 84 D. -7x2 + 8x + 8